A U.S. Air Force staff sergeant shakes the snow off the window cover of a KC-135 Stratotanker, Oct. 19, 2015, at 5 Wing Goose Bay, Canada. From Oct. 15 - 26, 2015, approximately 700 members from the Canadian Armed Forces, United States Air Force, United States Navy, and United States Air National Guard are deploying to Iqaluit, Nunavut, and 5 Wing Goose Bay, Newfoundland and Labrador for Exercise Vigilant Shield 16. (U.S. Air Force photo by Senior Airman Victor J. Caputo)